A nurse preparing to administer diciofenac sodium 200 mg PO daily equally divided doses every 6 hr. How many mg should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing, zero.)
The Correct Answer is ["50"]
Determine the total daily dosage:
The client is prescribed 200 mg of diclofenac sodium daily.
Calculate the dosage per dose:
The medication is to be administered in equally divided doses every 6 hours.
There are 24 hours in a day, so the medication is given 24/6 = 4 times a day.
The dosage per dose is 200 mg / 4 doses = 50 mg per dose.
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Related Questions
Correct Answer is C
Explanation
A. Minim:
A "minim" is an outdated unit of measurement used in pharmacy and is typically associated with liquid volumes. It is not a metric unit. In the metric system, volume is measured in milliliters (mL) or liters (L), not in minims. Therefore, "minim" is not the correct answer for weight or mass measurement.
B. Pound:
A "pound" (lb) is an imperial unit of weight commonly used in the United States. It is not part of the metric system. In the metric system, weight is typically measured in grams (g) or kilograms (kg). Pounds are not considered a metric unit of weight.
C. Kilogram:
A "kilogram" (kg) is the correct metric unit for measuring weight or mass. It is part of the International System of Units (SI), and 1 kilogram is equivalent to 1,000 grams. Kilograms are the standard metric unit used worldwide for weight, making it the appropriate choice in this context.
D. Ounce:
An "ounce" (oz) is also an imperial unit of weight, not a metric unit. Like pounds, ounces are used in the United States and some other countries but are not part of the metric system. In the metric system, weight is measured in grams (g) or kilograms (kg), not ounces. Therefore, this is not the correct answer for a metric unit of weight.
Correct Answer is ["1"]
Explanation
Convert the client's weight from pounds to kilograms:
There are 2.205 pounds in 1 kilogram.
146.7 lb = 146.7 lb / 2.205 lb/kg = 66.53 kg (rounded to two decimal places).
Determine the total dosage:
The client is prescribed 7.5 mg/kg of metronidazole.
The client weighs 66.53 kg.
The total dosage is 7.5 mg/kg x 66.53 kg = 498.975 mg.
Determine the number of tablets per dose:
Each tablet contains 500 mg of metronidazole.
The nurse needs to administer 498.975 mg per dose.
To find the number of tablets per dose, we can set up a proportion:
500 mg / 1 tablet = 498.975 mg / x tablets
Cross-multiplying gives us:
500x = 498.975
Dividing both sides by 500, we get:
x = 0.99795 tablets
Round the answer to the nearest whole number:
Rounding 0.99795 to the nearest whole number gives us 1 tablet.
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